Issued Patents All Time
Showing 101–111 of 111 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698492 | Focus detector system with a distortion compensation mask | Keiji Ohtaka, Akira Hiramatsu, Akira Akashi, Akira Ishizaki | 1987-10-06 |
| 4688920 | Focus state detecting system | Hiroshi Ohmura, Akira Ishizaki, Akira Akashi, Keiji Ohtaka | 1987-08-25 |
| 4681420 | Light measuring device | Kiyoshi Alyfuku, Akio Sunouchi, Nobuyuki Suzuki | 1987-07-21 |
| 4670645 | Focus detecting device with shading reduction optical filter | Keiji Ohtaka, Akira Akashi, Akira Ishizaki, Akira Hiramatsu | 1987-06-02 |
| 4643557 | Exposure control apparatus | Akira Ishizaki, Akira Akashi, Keiji Ohtaka, Akira Hiramatsu | 1987-02-17 |
| 4634255 | Focus detection apparatus | Akira Ishizaki, Keiji Ohtaka, Akira Akashi, Akira Hiramatsu | 1987-01-06 |
| 4618236 | Focus detecting apparatus | Akira Akashi, Akira Ishizaki, Akira Hiramatsu, Keiji Ohtaka | 1986-10-21 |
| 4597659 | In-focus state display device for camera | Kiyoshi Alyfuku, Akio Sunouchi, Nobuyuki Suzuki | 1986-07-01 |
| 4596453 | Electromagnetic drive device for shutter | Masahisa Fujino, Ryuji Suzuki, Mamoru Shimazaki | 1986-06-24 |
| 4555169 | Focus detecting device for a camera | Akira Akashi, Akira Ishizaki, Akira Hiramatsu, Keiji Ohtaka | 1985-11-26 |
| 4552446 | Light measurement compensation device for camera | Kiyoshi Alyfuku, Akio Sunouchi, Nobuyuki Suzuki | 1985-11-12 |